Title: Oil Portrait of James Knox Polk

Description: When James Knox Polk became President, the United States was characterized by a nationalistic spirit and a desire to expand westward. Texas, Oregon, what is now New Mexico, Arizona, California, Nevada, and Utah were acquired as territories of the United States during his four years in office.

Date: 1858

Creator: George P. A. Healy

Credit: White House Historical Association (White House Collection)